kurono yuu, flandre scarlet, remilia scarlet, touhou, bad id, bad pixiv id, highres, 2girls, alternate costume, armband, bat wings, blonde hair, blue hair, contemporary, female focus, long hair, long sleeves, missing headwear, multiple girls, necktie, no headwear, over-kneehighs, pants, pentagram, red eyes, short hair, shorts, siblings, side ponytail, sisters, slit pupils, star (symbol), thighhighs, upside-down, vest, wings